Home / 483,756.23-725,721.93-199,288.70

Finding the Fourth Proportional to 483,756.23, 725,721.93 and 199,288.70

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Solution

The fourth proportional to 483,756.23, 725,721.93 and 199,288.70 is: 298,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,756.23 : 725,721.93 = 199,288.70 : x
  2. Step 2: Convert to fraction form
    483,756.23/725,721.93 = 199,288.70/x
  3. Step 3: Cross multiply
    483,756.23x = 725,721.93 × 199,288.70
  4. Step 4: Simplify right side
    483,756.23x = 144,628,176,762.70
  5. Step 5: Solve for x
    x = 144,628,176,762.70/483,756.23
  6. Step 6: Final answer
    x = 298,969.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.